   (reify om/IRender
     (render [_]
       (dom/div #js {:className "text-center"}
-               (dom/button #js {:className "btn btn-primary"
-                                :onClick   #(query-reference-details (:id (lib/selected-reference)))}
-                           "Find usages of this reference")
+               (bs/button-primary #(query-reference-details (:id (lib/selected-reference)))
+                                  "Find usages of this reference")
                " "
-               (dom/button #js {:className "btn btn-primary"}
-                           "Create new Statement with this reference")))))
+               (bs/button-primary nil
+                                  "Create new Statement with this reference")))))
 
 (defn usage-view
   "List single usages of reference."

                        "Do you agree or disagree with this statement?")
               (om/build usage-view {})
               (dom/div #js {:className "text-center"}
                        (dom/button #js {:className "btn btn-primary"}
                                    (vlib/fa-icon "fa-thumbs-up")
                                    " Agree")
                        " "
                        (dom/button #js {:className "btn btn-primary"}
                                    (vlib/fa-icon "fa-thumbs-down")
                                    " Disagree"))))))

            author (:author data)]
        (dom/div #js {:className "bs-callout bs-callout-info"}
                 (dom/a #js {:href    "javascript:void(0)"
                             :onClick #(lib/change-view! :reference-agree-disagree)}
                        (dom/strong nil (:text statement)))
                 (dom/div nil "Issue: " (:title issue))
                 (dom/div nil "Author: " (:nickname author)))))))
